| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | over [art] [adj] period | 603 |
|
| 2 | over a [adj] period | 519 |
|
| 3 | over the [adj] period | 308 |
|
| 4 | over [art] long period | 235 |
|
| 5 | over [art] same period | 184 |
|
| 6 | over [art] same period | 184 |
|
| 7 | over [art] [det] period | 184 |
|
| 8 | over [art] long period | 183 |
|
| 9 | over [art] [adj -er] period | 57 |
|
| 10 | over [art] longer period | 52 |
|
| 11 | over [art] five-year period | 30 |
|
| 12 | over [art] five-year period | 30 |
|
| 13 | over [art] three-year period | 28 |
|
| 14 | over [art] three-year period | 28 |
|
| 15 | over an [adj] period | 26 |
|
| 16 | over [art] whole period | 25 |
|
| 17 | over [art] whole period | 25 |
|
| 18 | over [art] short period | 19 |
|
| 19 | over [art] two-year period | 18 |
|
| 20 | over [art] two-year period | 18 |
|
| 21 | over [art] post-war period | 17 |
|
| 22 | over [art] post-war period | 17 |
|
| 23 | over [art] short period | 15 |
|
| 24 | over [art] prolonged period | 15 |
|
| 25 | over [art] prolonged period | 15 |
|
| 26 | over [art] extended period | 12 |
|
| 27 | over [art] extended period | 12 |
|
| 28 | over [art] given period | 12 |
|
| 29 | over [art] given period | 12 |
|
| 30 | over [art] four-year period | 9 |
|
